Costumes that integrate wheelchairs

On Buzzfeed, a collection of Hallowe'en costumes that integrate wheelchairs, for adults and kids, ganked from a wide variety of sources. I really like this ice-cream wagon costume, and I wish it was clearer who had originated it for proper credit. Do you know? Add a comment, please!

20 Creative Costume Ideas For People In Wheelchairs (Thanks, Fipi Lele!)